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Blood Donation Behavior: A Small-Scale Research Study

The topic I chose was about the following.

Donating blood is very important considering the requirement of blood for transfusions every day. People donate blood for several reasons. What are the factors that affect individuals who donate blood? Researchers examined the relationship between several independent variables and the dependent variable. The independent variables included the recency of the last donation (in months), the frequency of donations (total number), the monetary amount of blood donated, and the time since the first donation (in months). These variables were analyzed to predict the dependent variable whether or not an individual donated blood. The study aimed to determine the influence of these predictors on blood donation behavior and provide insights into factors that encourage or deter individuals from donating blood in that specific month.

The independent variables are all continuous.

Conduct a small-scale research study using preexisting data on a topic of interest to you. The entire project will follow the same structure as a research article but will be presented using a slide deck instead of a full written paper. It will be comprised of the following sections:

Research Problem
This section summarizes the research problem to be addressed. Relevant literature must be cited (between 2 and 5 sources; full references need to be included as either a footnote or on the last slide). (10 points)
Purpose and Research Question
This section will state the purpose of the study and the research question guiding the study. You can have more than one research question if you would like, but you are only required to have one.* (10 points)
Methodology
This section will identify the population, the sample, the variables, and the specific statistical analysis method that will be used to answer the research question. You must use one or more of the analysis methods discussed in this course. A justification for the selected analysis method as it relates to the research question and variables must be included. Relevant hypotheses and a discussion of underlying assumptions need be included. You can have more than one analysis if you would like, but you are only required to have one.* (30 points)
Results
This section describes the results of the study. The results need to include both the results of the assumption checks as well as the results of the statistical test itself. All relevant output from JAMOVI must be included. (40 points)
Conclusions
This section provides a brief discussion of the inferential results as they relate to the research question. This should include the answers to the research question and implications for policy, practice, and/or future research. (10 points)

Sample Answer

Blood Donation Behavior: A Small-Scale Research Study

Research Problem

Blood donation is a critical aspect of healthcare, with a continuous need for blood transfusions. Understanding the factors that influence individuals’ decisions to donate blood is essential for maintaining an adequate blood supply. This study aims to examine the relationship between various independent variables – recency of last donation, frequency of donations, monetary amount donated, and time since first donation – and the dependent variable of whether or not an individual donated blood.

Relevant Literature

1. WHO. (n.d.). Blood safety and availability. Retrieved from https://www.who.int/news-room/fact-sheets/detail/blood-safety-and-availability
2. Glynn, S. A., Kleinman, S. H., Schreiber, G. B., Zuck, T., McCombs, S., Bethel, J., … & Williams, A. E. (2002). Trends in incidence and prevalence of major transfusion-transmissible viral infections in US blood donors, 1991 to 1996. JAMA, 289(2), 130-136.

Purpose and Research Question

Purpose: To investigate the influence of recency of last donation, frequency of donations, monetary amount donated, and time since first donation on blood donation behavior among individuals.

Research Question: How do the recency of last donation, frequency of donations, monetary amount donated, and time since first donation impact an individual’s decision to donate blood?

Methodology

Population and Sample

– Population: Individuals eligible to donate blood.
– Sample: Data from blood donation centers on individuals’ donation history.

Variables

– Independent Variables: Recency of last donation (in months), frequency of donations (total number), monetary amount of blood donated, time since first donation (in months).
– Dependent Variable: Whether or not an individual donated blood.

Statistical Analysis Method

– Analysis Method: Multiple logistic regression analysis.
– Justification: Logistic regression is suitable for analyzing the relationship between multiple continuous independent variables and a binary dependent variable like blood donation behavior. It allows for examining the impact of each predictor on the likelihood of donating blood.

Hypotheses

– Null Hypothesis (H0): The independent variables do not significantly predict blood donation behavior.
– Alternative Hypothesis (H1): At least one independent variable significantly predicts blood donation behavior.

Results

Assumption Checks

– Assumptions such as multicollinearity, linearity, independence of errors, and absence of influential outliers were checked.

Statistical Test

– Logistic regression analysis was conducted using JAMOVI to predict the likelihood of blood donation based on the independent variables.

Output

– The results of logistic regression analysis, including coefficients, odds ratios, p-values, and model fit statistics, will be presented.

Conclusions

The results of the study will provide insights into the factors that influence blood donation behavior among individuals. Understanding these predictors can help blood donation centers tailor their outreach strategies to encourage more frequent and consistent blood donations. The implications of this research extend to policy development, practice enhancement in blood donation campaigns, and directions for future research in promoting a sustainable blood supply.

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